Inventor · disambiguated record
Karl-Heinz Helmstadter
Also filed as: HAUPENTHAL LEGAL REPRESENTATIV · HELMSTADTER KARL-HEINZ · HELMSTAEDTER KARL-HEINZ
39 granted patents·5 pending applications·312 citations·filing 1993–2008
97Inventor score
Files withHEIDELBERGER DRUCKMASCH AG44
Top patents by PatentIndex Score
44 records- 0190US6722276B1Devices for turning sheets in a sheet-fed rotary printing machineHEIDELBERGER DRUCKMASCH AG·Filed 2000·Granted Apr 20, 2004·16 cites·6 claims
- 0288US6612236B2Sheet transport cylinderHEIDELBERGER DRUCKMASCH AG·Filed 2001·Granted Sep 2, 2003·15 cites·13 claims
- 0385US7481429B2Method for the cyclic conveyance of sheets through a printing machineHEIDELBERGER DRUCKMASCH AG·Filed 2005·Granted Jan 27, 2009·5 cites·11 claims
- 0484US6851361B2Reversing or turning assembly of a sheet-processing machineHEIDELBERGER DRUCKMASCH AG·Filed 2003·Granted Feb 8, 2005·14 cites·13 claims
- 0579US7320281B2Method of varying a drum profile of a vario drum and vario drum for implementing the methodHEIDELBERGER DRUCKMASCH AG·Filed 2003·Granted Jan 22, 2008·9 cites·11 claims
- 0678US6662722B2Machine for processing sheets having spring mounted throttled air nozzlesHEIDELBERGER DRUCKMASCH AG·Filed 2001·Granted Dec 16, 2003·9 cites·13 claims
- 0777US7484610B2Apparatus for the actuation of clamping elements that can be controlled remotelyHEIDELBERGER DRUCKMASCH AG·Filed 2005·Granted Feb 3, 2009·2 cites·10 claims
- 0877US7150456B2Sheet transport drum for a machine processing printing-material sheetsHEIDELBERGER DRUCKMASCH AG·Filed 2003·Granted Dec 19, 2006·9 cites·17 claims
- 0975US6695114B2Multi-disk clutchHEIDELBERGER DRUCKMASCH AG·Filed 2002·Granted Feb 24, 2004·8 cites·14 claims
- 1075US5335597AMethod and device for starting and stopping a sheet turning operation and for format adjusting during sheet transport through a printing pressHEIDELBERGER DRUCKMASCH AG·Filed 1993·Granted Aug 9, 1994·20 cites·3 claims
- 1174US6877430B2Gripper device in a sheet-processing machineHEIDELBERGER DRUCKMASCH AG·Filed 2003·Granted Apr 12, 2005·8 cites·18 claims
- 1273US6739252B2Method and apparatus for reversing sheet material in sheet-processing machinesHEIDELBERGER DRUCKMASCH AG·Filed 2002·Granted May 25, 2004·7 cites·24 claims
- 1373US6612235B2Sheet guiding deviceHEIDELBERGER DRUCKMASCH AG·Filed 2001·Granted Sep 2, 2003·11 cites·14 claims
- 1472US6038976ASuction-air control deviceHEIDELBERGER DRUCKMASCH AG·Filed 1998·Granted Mar 21, 2000·47 cites·10 claims
- 1570US7287750B2Machine for processing printing material sheets, in particular sheet-fed printing press, and method of operating the machineHEIDELBERGER DRUCKMASCH AG·Filed 2004·Granted Oct 30, 2007·10 cites·11 claims
- 1669US7849794B2Device for transporting sheets in straight printing or perfecting operation by way of tongs grippersHEIDELBERGER DRUCKMASCH AG·Filed 2006·Granted Dec 14, 2010·1 cites·12 claims
- 1769US6857364B2Clutch for drive elements of a printing machineHEIDELBERGER DRUCKMASCH AG·Filed 2002·Granted Feb 22, 2005·6 cites·20 claims
- 1867US6663550B2Smoothing device for flat printing materialsHEIDELBERGER DRUCKMASCH AG·Filed 2001·Granted Dec 16, 2003·9 cites·37 claims
- 1966US8042465B2Method and device for switching between single-sided or straight printing mode and perfecting or recto/verso printing mode in a sheet-processing machine and reversing drum having the deviceHEIDELBERGER DRUCKMASCH AG·Filed 2007·Granted Oct 25, 2011·3 cites·7 claims
- 2066US6561508B2Device and method for transferring a sheetHEIDELBERGER DRUCKMASCH AG·Filed 2001·Granted May 13, 2003·9 cites·11 claims
- 2165US7000540B2Method of operating a machine processing printing material sheetsHEIDELBERGER DRUCKMASCH AG·Filed 2004·Granted Feb 21, 2006·5 cites·10 claims
- 2265US6640707B2Device for guiding sheets in a sheet processing apparatusHEIDELBERGER DRUCKMASCH AG·Filed 2001·Granted Nov 4, 2003·5 cites·14 claims
- 2363US5988065ADevice for controlling suction air or vacuum and method of actuating the deviceHEIDELBERGER DRUCKMASCH AG·Filed 1998·Granted Nov 23, 1999·24 cites·21 claims
- 2460US7207265B2Devices for turning sheets in a sheet-fed rotary printing machineHEIDELBERGER DRUCKMASCH AG·Filed 2003·Granted Apr 24, 2007·3 cites·7 claims
- 2560US7000917B2Sheet-guiding device in a sheet-processing machineHEIDELBERGER DRUCKMASCH AG·Filed 2003·Granted Feb 21, 2006·6 cites·19 claims
- 2658US5979318AMethod and apparatus for smear-free guidance of a printed sheet on a sheet-guiding cylinder of a printing pressHEIDELBERGER DRUCKMASCH AG·Filed 1998·Granted Nov 9, 1999·10 cites·23 claims
- 2757US6659446B2Guiding and carrying elements with throttled blowing airHEIDELBERGER DRUCKMASCH AG·Filed 2001·Granted Dec 9, 2003·5 cites·12 claims
- 2856US6691611B2Method and apparatus for guiding and transferring a sheet in a printing machineHEIDELBERGER DRUCKMASCH AG·Filed 2001·Granted Feb 17, 2004·3 cites·24 claims
- 2956US5588773ADevice for connecting a machine element to a structural member movable about its longitudinal axis so that the machine element and the structural member are secured against relative rotationHEIDELBERGER DRUCKMASCH AG·Filed 1994·Granted Dec 31, 1996·10 cites·7 claims
- 3056US2008092760A1Device and Method for Driving a Reversing Gripper in a Sheet-Processing Machine, Reversing Drum and Printing PressHEIDELBERGER DRUCKMASCH AG·Filed 2007·Application pending·0 cites
- 3156US2008042341A1Apparatus for Opening and Pivoting a Turner Gripper in a Sheet Processing Machine and Printing Press Having the ApparatusHEIDELBERGER DRUCKMASCH AG·Filed 2007·Application pending·0 cites
- 3255US7325493B2Sheet-fed rotary printing press having a three-drum reversing device and method of transporting a sheet through a three-drum reversing deviceHEIDELBERGER DRUCKMASCH AG·Filed 2002·Granted Feb 5, 2008·3 cites·12 claims
- 3354US7412925B2Device for changing over gripper control in a turning configuration of a sheet-processing machineHEIDELBERGER DRUCKMASCH AG·Filed 2005·Granted Aug 19, 2008·0 cites·11 claims
- 3451US6619199B2Printing machine with torque compensationHEIDELBERGER DRUCKMASCH AG·Filed 2001·Granted Sep 16, 2003·2 cites·17 claims
- 3550US2006266237A1Printing-material-carrying surface with micro-elevations, printing press cylinder and printing press having the surface and process having the surface and process for applying a fluid additive and printing process using the surfaceHEIDELBERGER DRUCKMASCH AG·Filed 2006·Application pending·0 cites
- 3649US6622623B1Method for conveying sheets in a printing machine and a device for carrying out the methodHEIDELBERGER DRUCKMASCH AG·Filed 1999·Granted Sep 23, 2003·11 cites·15 claims
- 3748US7219889B2Sheet-processing machine with a pneumatic sheet-guiding deviceHEIDELBERGER DRUCKMASCH AG·Filed 2003·Granted May 22, 2007·2 cites·16 claims
- 3848US2008313878A1Sliding-Surface Mounting and Method of Producing the MountingHEIDELBERGER DRUCKMASCH AG·Filed 2008·Application pending·0 cites
- 3945US7412927B2Printing machine with gripper retraction mechanism for safe operation of the printing machineHEIDELBERGER DRUCKMASCH AG·Filed 2005·Granted Aug 19, 2008·0 cites·6 claims
- 4044US2006080826A1Sliding-surface mounting and method of producing the mountingHEIDELBERGER DRUCKMASCH AG·Filed 2005·Application pending·0 cites
- 4142US6105499ATransport drum in rotary printing pressesHEIDELBERGER DRUCKMASCH AG·Filed 1998·Granted Aug 22, 2000·5 cites·9 claims
- 4240US7574958B2Printing material sheet gripper and method for producing the sheet gripperHEIDELBERGER DRUCKMASCH AG·Filed 2005·Granted Aug 18, 2009·0 cites·8 claims
- 4340US7111843B2Sheet-processing machine having a suction air producing deviceHEIDELBERGER DRUCKMASCH AG·Filed 2003·Granted Sep 26, 2006·0 cites·10 claims
- 4438US6612237B2Method of operating a sheet-fed rotary printing machine, and sheet-fed rotary printing machineHEIDELBERGER DRUCKMASCH AG·Filed 2001·Granted Sep 2, 2003·0 cites·36 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →